1233B CAS 34668-61-6
| CAS No. | 34668-61-6 |
| Molecular Formula | C18H30O6 |
| Molecular Weight | 342.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C18H30O6, 1233B contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 342.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1233B (CAS 34668-61-6), molecular formula C18H30O6 and molecular weight 342.43 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H30O6 |
| Molecular Weight | 342.43 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- 1-[(4-tert-Butylphenyl)methyl]-2-oxo-6-phenyl-1,2-dihydropyridine-3-carbonitrile (CAS 339109-06-7)
- 17-O-Acetyl-3-O-methyl-6-oxo 17β-Estradiol (CAS 20823-31-8)
- 1,2,3-Trichloro-5-(3,4-dichlorophenoxy)benzene (CAS 94339-59-0)
- 1-Ethyl-4-methylquinolin-2(1H)-one (CAS 53761-55-0)
- 4-Chloro-3-fluoropyridine hydrate (CAS 1881291-63-9)
- 1,1,1-Trifluoro-2-propanol (CAS 374-01-6)
- (4-dimethylamino-benZyl)-[1,2,4]triazol-4-yl-amine (CAS 6213-03-2)
- Bis-(2-Chloro-1-Methylethyl)Ether (CAS 108-60-1)
- tert-Butyl (S)-(1-amino-3-methylbutan-2-yl)carbamate (CAS 400652-49-5)
- 5,7-Di-tert-butyl-3-(3,4-dimethylphenyl)benzofuran-2(3H)-one (CAS 164391-52-0)
- Platinum,(1,2-cyclohexanediamine-N,N')[[(methoxyacetyl)amino]propanedioato(2-)-O1,O3]-,[SP-4-2-(1R-trans)]- (CAS 118105-86-5)
- Methyl 4-amino-1-(methyl-d3)-1H-pyrazole-5-carboxylate (CAS 2814499-39-1)
- 6-Bromo-2-phenyl-(4H)-4-benzopyranone (CAS 1218-80-0)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
Why CATO?
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